| Picture | Plant Name | Botanical Name | Plant Description |
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| Bear Grass | Nolina microcarpa | Resembles a grass but is a member of the Agave family. Native to the southwestern United States. Very tolerant of a variety of soil conditions and requires little or no water once established. Spreads by rhizomes. |
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| Blue Beauty Catmint | Nepeta sibirica 'Souvenir d' André Chaudron' | This member of the mint family is native to Siberia, hence the botanical name. This clump forming perennial bears dark lavender blue flowers in late spring and through early summer. Leaves are oval to lance shaped and are aromatic. Related to catnip and may have some small attraction for cats. Tolerates dry soils but will not grow well in wet soils. In moist areas it may become somewhat invasive. |
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| Blue Wonder Catmint | Nepeta racemosa 'Blue Wonder' | Dwarf, mounding perennial with oval, deeply veined, grayish green, aromatic leaves. Summer brings loose clusters of small sky blue flowers that rebloom almost continually throughout the summer. Related to catnip and is somewhat enticing to cats. |
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| Daffodil | Narcissus spp. | Group of varied bulbous perennials. Flowers are borne singly or in clusters and consist of a corona (trumpet) surrounded by petals. Long slender leaves are dark green. Sizes vary and the smallest can under 6 inches with the tallest being close to 30 inches. Deer will not eat these plants and are a good bulb for areas with deer problems. Tolerant of many soil types and is a good example of a drought avoider, blooming early and reaching dormancy before the hot and dry months. |
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| Little Trudy Catmint | Nepeta 'Psfike' | Compact and long-blooming member of the mint family. Covered with blue blossoms starting in late spring and will rebloom in the late-summer if deadheaded promptly. The fragrant gray-green foliage is attractive and will provide interest even out of bloom. This variety is sterile and so is not as aggressive as other catmints. A great choice for any xeriscape. |
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| Mediterranean Bells | Nectaroscordum siculum | Bulbous perennial with linear basal leaves. Closely related to the onion so bruised leaves may emit a garlic smell. Produces umbels of pendulous white to cream flowers with purplish red tints. Under the right conditions it may self-sow freely and become invasive. Prefer well-drained soil. |
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| Nanho Purple Butterfly Bush | Buddleja davidii 'Nanho Purple' | Beautiful medium to large shrub flowering shrub. Can be pruned back to desired height each year, even to the ground if desired. Once established, this plant is tolerant of many conditions. Attracts butterflies and bees. This variety sports dense, 18" long clusters of lavender purple, fragrant flowers with orange eyes. |
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| Nanking Cherry | Prunus tomentosa | Dense spreading deciduous shrub. Produces attractive reddish-brown peeling bark. Dark green leaves are elliptical in shape with toothed edges. Early spring brings fragrant white blossoms turning to bright red fruit by July. Very cold hardy and tolerant of drought conditions. Becomes more open with age. |
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| Nannyberry | Viburnum lentago | Large multi-stemmed shrub which can be grown as a small single stemmed tree with extensive pruning. Bears cymes of white non-fragrant flowers turning to dark blue to black berries. Berries are edible and can be used in jams and jellies. Glossy dark green leaves are finely serrated on the edges. Fall color is variable. Plant in well-drained soils. Tolerates low water situations but prefers more water. |
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| Navajo Tea | Thelesperma ambiguum | Bushy, mounded perennial native to the western United States. Also called Colorado Greenthread as a description of its very thin bright green leaves. Yellow, daisy-like flowers bloom profusely in late May to June. Requires minimal amounts of water once established. Avoid overwatering. |
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| Navajo Yucca | Yucca baileyi | Upright-growing evergreen shrub. Leaves are very narrow and pointed at tip end. Clusters of cream-colored flowers tinged with purple grow on tall stems above the plants in mid to late-spring. Needs no irrigation once established. May not be entirely winter hardy in Utah. |
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| Navigator Penstemon | Penstemon barbatus 'Navigator' | Multi-colored penstemon mix with hues ranging from pink to purple and blue. Flowers bloom in spring growing on tall spikelets on well-branched stems. Long-linear leaves are dark green and tend to fade in the heat of the summer. Prefers hot locations and well-drained soils. |
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| Nebraska Sedge | Carex nebrascensis | Native species of grass-like perennial that grows in waterways and wetland areas. Blue-gray lance-shaped leaves grow basally. Seedheads occur in spring and grow on tall stems often reaching up to 3 feet. In our garden it is used in our biofilter and helps to clean water before it reaches natural waterways. |
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| Needle and Thread Grass | Hesperostipa comata | Small, cool-season grass native to Utah and the western United States. Narrow, bluish-green leaves grow basally. Seeds form on long, slender stalks. The common name is derived from the seed that, along with it's awn, it resembles a needle and thread. |
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| Neon Flash Spirea | Spiraea japonica 'Neon Flash' | Small, rounded deciduous shrub. Produces abundant flat clusters of dark pink to red flowers in mid to late spring into the summer. Young leaves emerge reddish bronze and turn dark green when mature. Requires significant pruning to promote more flowering. |
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| Neon Stonecrop | Sedum spectabile 'Neon' | Clump-forming succulent with large, fleshy, blue-green leaves. Neon bright-pink flowers bloom in late-summer to fall. Seedheads are attractive when dry and can remain throughout the winter. Tolerates many soil types and low-water situations. |
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| New Hampshire Gold Forsythia | Forsythia x 'New Hampshire Gold' | Deciduous flowering shrub. Selected for its extreme cold hardiness, flower bud will survive to -35 degrees F. Bright yellow flowers appear in early spring followed by mid-green foliage; fall turns the foliage to dark purple. Full sun promotes the best flowering. Tolerant of a wide range of soil types. Requires moderate amounts of watering once established. |
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| New Hampshire Purple Geranium | Geranium sanguineum 'New Hampshire Purple' | Clump-forming, spreading perennial. Dark green leaves are deeply lobed turning red in autumn. Magenta 5-petaled flowers cover the plant in spring with sparse reblooms throughout the summer. Will tolerate some drought and poor soils but prefers moderate watering and fertile soils. |
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| New Mexico Privet | Forestiera neomexicana | Fast growing deciduous shrub. Yellow-white flowers bloom in spring followed by small black berries enjoyed by birds. Shape improves with age. Useful fast filler for desert conditions. Drought tolerant after established. Prefers alkaline soil and tolerates many different soil textures. Grows best with adequate water. |
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| Niagara Grape | Vitis 'Niagara' | American grape variety with inconspicuous fragrant green flowers appear in spring and lead to bunches of seeded white grapes ripening midseason. To maximize fruit production training, pruning, and regular spraying are required. Consult your local extension agency for specific instructions. Fruit is great for eating, wines and jellies. Vines do have ornamental value as well. Grow in sheltered area with well drained soils and moderate watering. |
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